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04-10-2012, 05:10 PM | #1 |
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BMWP coils with Bilsteins or Yellows anyone?
Yes, search is my friend too, thanks in advance but I want the latest opinion available. Anyone with one of these combos please chime in. Already did the Hotchkis front anti-sway with excellent results, and now want minimal drop with good control, keeping simplicity and cost in mind. Stock dampers have gone floppy on me. I'm aware of the popularity of coilovers and M3 subframe bushings but will not be doing those.
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04-10-2012, 09:18 PM | #3 |
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Thanks for the reply. While I love the idea of matched components and saving a few bucks when purchasing in kit form, for me there's still a preference for the lesser 10mm drop of the BMWP springs compared to the 30mm drop of the Eibachs. New England roads can be bad enough, and in my job as a realtor I often encounter steep driveways, multiple speed bumps in condo complexes, and sometimes even dirt roads (I switch vehicles with my wife on days I need to carry clients!). My first thought was to stay on stock springs but the BMWP's give 34% more spring rate, with the minimal drop.
I don't see too many places carrying the B12 kit yet here in the U.S. but I'm sure that will change soon. |
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04-10-2012, 09:32 PM | #4 |
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Why don't you just go for the full BMW Performance suspension (springs/dampers/front ARB)? It sounds like it's right up your alley: matched & minimal drop, plus OEM so no warranty issues.
There are a few guys running Koni FSD's with BMWP springs. Search for user "GaryS," he seems very happy with this set-up. Good luck.
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04-11-2012, 03:08 AM | #5 | |
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04-11-2012, 06:06 AM | #6 | |
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Also, FSDs are unique with their luxury ride but sports handling, and it seems most people either love them or hate them. So I recommend taking a ride with someone who has them so you can feel what they're like. |
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04-11-2012, 06:34 AM | #7 | |
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I've never heard any info regarding what the spring rates actually are, or weather they are linear or progressive. I'd be interested to find out.
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04-11-2012, 06:37 AM | #8 | |
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04-11-2012, 08:41 PM | #10 |
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Fireflyer:
I have BMWPS springs and Koni sports on my E90 and am very happy with the handling of my car! If you get PS springs seperate from the whole kit, make sure you get the bumpstops from the PS kit.
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04-11-2012, 11:21 PM | #11 |
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Thanks for all the useful input! I realize the BMWP kit is a great approach, but I've already installed a Hotchkis front anti-sway (2 years ago) making the bar in the kit redundant. I have the sport package equipped 128 so already have the rear bar too, though I realize the kit can be had with or without. I would rather use Bilstein or Koni dampers as opposed to the BMW only because I have it in my mind they'll hold up longer - and I understand this may be unfounded but as they say, a good deal is a state of mind. I realize the stiffer aftermarket front anti-sway probably contributed to my stock struts going limp after only 30K miles, but still I'd rather use one of the aftermarket brand of damper than the BMWP ones. Bilstein says their HD is perfectly compatible with the 10mm drop of the BMWP suspension. I'm considering the FSD's also! Dan at United is providing the correct coils and bump stops.
The M3 parts would be the next step if I feel the need, but at this time I'm also purchasing a set of Pilot Super Sports and BMWP aero nose, so I need to balance the spending. Last edited by Fireflyer239; 04-11-2012 at 11:29 PM.. |
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04-12-2012, 11:20 AM | #12 |
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I don't have the BMW Performance springs, but I do have the Koni Sport adjustable dampers with a set of 2011 M Sport springs (the new linear ones) on my car and I really like the set up. The linear springs feel much better than the progressive M Sport springs that my car came with. I suspect that the BMW Performance springs and the Koni Sports would also be a nice set up as well.
I also have an M3 FSB and M3 control arms and tension rods. I'm very happy with the total set up now. I would have gone with the BMW Performance Springs, but I was afraid to lower my car since I have 19" Alufelgen SF-71 wheels. Prior to changing my shocks and springs I was having some rubbing issues when I went over large bumps or through bigger dips in the road.
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04-12-2012, 03:15 PM | #13 |
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Hi Fireflyer,
I'm the guy who bought your OEM wheels and tires in 2009. How are you? Funny that I should see you on this thread because I'm thinking of doing exactly the same thing - Koni FSD and linear springs that match my existing 10mm drop. My sport suspension (at 50,000 miles) is pretty sloppy now. Also have to add the M3 FSB and considering the M3 rear subframe bushings. Good luck to you!
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04-12-2012, 03:56 PM | #14 |
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How did you get linear springs? Do you happen to have the part numbers? I have the performance springs as well but I don't think mine are linear. What kind of drop did you have? My car seems too low.
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04-12-2012, 04:20 PM | #15 | |
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The drop is very small, probably 10mm as promised. My springs look like the ones in this post, with evenly spaced coils. http://www.1addicts.com/forums/showp...31&postcount=1 |
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04-13-2012, 08:30 PM | #16 | |
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04-13-2012, 08:32 PM | #17 |
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Gary are you still running the FSD's? What is your driving style and what type of roads do you frequent? Do you experience good control and stability at higher speeds?
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